To change the X/Twitter account associated with your Typeshare account - navigate to Profile > Settings > Linked Accounts and click on the 3 dots to the right side. Select "Disconnect Twitter".

If you use X/Twitter to sign in, you'll be prompted to first connect Google before you can disconnect Twitter.

Once disconnected, go to Twitter.com and make sure you are logged in to the correct Twitter account.

Finally, go back to Typeshare and press "Connect Twitter.

Now, your correct Twitter account is connected!